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Remove/Install DAS 4 Alarm Siren - AR80.50-P-9842LWE

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Model 213, 238, 253 

with code 228 (Auxiliary heater) 

with code 882 (Interior protection and tow-away protection) except code 2U8 (Alternative refrigerant) 

Fig 1: DAS 4 Alarm Siren Components Location - Model 253 With Code 228; 882
G14471550Courtesy of MERCEDES-BENZ USA
REMOVING Remove     
1 Perform commissioning of alarm siren (H3/1) When replacing alarm siren (H3/1).  
REFER TO SELF DIAGNOSTIC SYSTEMS   Model 238
with code 228 (Auxiliary heater)
with code 882 (Interior protection and tow-away protection)
except code 2U8 (Alternative refrigerant)
AD00.00-P-2000-06LWO
REFER TO SELF DIAGNOSTIC SYSTEMS   Model 213, 253
with code 228 (Auxiliary heater)
with code 882 (Interior protection and tow-away protection)
except code 2U8 (Alternative refrigerant)
AD00.00-P-2000-04B
2 Deactivate anti-theft alarm system (ATA)    
3 Remove rear section of fender liner in right fender Model 253
with code 228 (Auxiliary heater)
with code 882 (Interior protection and tow-away protection)
except code 2U8 (Alternative refrigerant)
AR88.10-P-1300LW
    Model 213, 238
with code 228 (Auxiliary heater)
with code 882 (Interior protection and tow-away protection)
except code 2U8 (Alternative refrigerant)
AR88.10-P-1300LWE
4 Unhook coolant line (2) from bracket (1)    
5 Unclip retaining clip (3) from bracket (6) together with electrical line    
6 Unscrew nuts (4)    
7 Remove alarm siren (H3/1) with bracket (5) and disconnect electrical connector (7)    
DANGER The high voltage used for electric welding presents a lethal hazard. Risk of explosion  from welding in areas close to highly inflammable materials. Risk of injury  from weld splatter and UV-light when welding. Risk of poisoning  from inhaling welding gases Use insulating mats. Wear protective clothing, safety glasses and a protective mask. Remove highly inflammable materials from the hazard area. Use air extraction system. AS00.00-Z-0007-01A
8 Screw commercially available nuts to threaded pins (8) and weld with two tack weld points with theft-proof nut (9) When replacing alarm siren (H3/1).  
REFER TO SPECIAL TOOLS 000 588 02 84 00 Welder   WS60.00-P-0022K
9 Unscrew commercially available nut together with theft-proof nut (9) and remove bracket (5) from alarm siren (H3/1) When replacing alarm siren (H3/1).  
INSTALLING Install     
10 Tighten bracket (5) with new theft-proof nut (9) on alarm siren (H3/1) When replacing alarm siren (H3/1).
TORQUE SPECIFICATION Nut, horn to bracket
*BA80.50-P-1002-01D 
    SPECIAL TOOL Socket Fig 2
11 Connect electrical connector (7)    
12 Position alarm siren (H3/1) with bracket (5) on bracket (6) and tighten nuts (4) TORQUE SPECIFICATION Nut, bracket for horn to body/bracket *BA80.50-P-1003-01D 
13 Clip retaining clip (3) into bracket (6) with electrical line    
14 Hook coolant line (2) into bracket (1)    
15 Install rear section of fender liner in right fender Model 253
with code 228 (Auxiliary heater)
with code 882 (Interior protection and tow-away protection)
except code 2U8 (Alternative refrigerant)
AR88.10-P-1300LW
    Model 213, 238
with code 228 (Auxiliary heater)
with code 882 (Interior protection and tow-away protection)
except code 2U8 (Alternative refrigerant)
AR88.10-P-1300LWE
ANTI-THEFT ALARM SYSTEM

Number Designation Model 213 Model 238
BA80.50-P-1002-01D Nut, horn to bracket Nm 10 10
ANTI-THEFT ALARM SYSTEM

Number Designation Model 253
BA80.50-P-1002-01D Nut, horn to bracket Nm 10
ANTI-THEFT ALARM SYSTEM

Number Designation Model 213 Model 238
BA80.50-P-1003-01D Nut, bracket for horn to body/bracket Nm 6 6
ANTI-THEFT ALARM SYSTEM

Number Designation Model 253
BA80.50-P-1003-01D Nut, bracket for horn to body/bracket Nm 6
Fig 2: Identifying Socket (246 589 00 09 00)
G12824425Courtesy of MERCEDES-BENZ USA